1. LHC Morning Meeting - G. Arduini
Sat 17/11 – Sun 18/11
08:23 Stable beams 3296, initial lumi around 7.1x1033 cm-2s-1.
15:30 No beam from SPS Beam dump switch to be replaced)
20:40 Beam available from SPS
20:50 OP dump: ~180 pb-1 in 12:30 hours.
23:39 Stable beams Initial luminosity 7.3x1033 cm-2s-1. Larger tune split during the squeeze (-0.005)
00:03 Beam dump due to instability and losses on two bunches leading to BPM LSS6 trigger. ~10 pb-1 in 25 mins. Revert to smaller tune split (-0.003) and only during the last part of the squeeze
02:28 Stable beams Initial luminosity 7.5x1033 cm-2s-1
05:45 Beam dumped by OP on request of ALICE for an urgent intervention on the cooling of their TPC. End of fill 3298 producing ~70 pb-1 in 3:17 h.
06:20 Access starting
08:30 Access finished. Restarting
23/02/2019
LHC Morning Meeting - G. Arduini

2. LHC Morning Meeting - G. Arduini
Squeeze - Adjust b*
Sep – IP1
BBQ-H B1
b*=80 cm
23/02/2019
LHC Morning Meeting - G. Arduini

3. 3023 – 3368 – max. LR - collisions in 1/5/8
Squeeze - Adjust
3023 – 3368 – max. LR - collisions in 1/5/8
23/02/2019
LHC Morning Meeting - G. Arduini

4. LHC Morning Meeting - G. Arduini
Squeeze - Adjust
b*=60 cm
23/02/2019
LHC Morning Meeting - G. Arduini

5. LHC Morning Meeting - G. Arduini
STABLE BEAMS
After optimization 1-5-8
23/02/2019
LHC Morning Meeting - G. Arduini

6. LHC Morning Meeting - G. Arduini
STABLE BEAMS
Sep – IP8
BBQ-V B2
23/02/2019
LHC Morning Meeting - G. Arduini

7. Beginning of Stable Beams
3296
QVB1-QVB2=-0.003
3297
QVB1-QVB2=-0.005
23/02/2019
LHC Morning Meeting - G. Arduini

8. Bunch length reduction in Stable Beams
M. Hostettler
23/02/2019
LHC Morning Meeting - G. Arduini

9. LHC Morning Meeting - G. Arduini
M. Hostettler
23/02/2019
LHC Morning Meeting - G. Arduini

10. Plan Physics Pending access:
Access wire scanner requested for Monday, including tunnel (RP).
PM32 : CV to check / remove sand.
Access system
CMS (Hadronic Forward Calorimeter) > 1 h
BI: wall current monitor (1 h – point 4 RF zone)
LHC 8:30 meeting
17/11/2012

11. LHC Morning Meeting - G. Arduini
23/02/2019
LHC Morning Meeting - G. Arduini

12. LHC Morning Meeting - G. Arduini
M. Hostettler
23/02/2019
LHC Morning Meeting - G. Arduini